CN217928808U

CN217928808U - Combined integrated energy-saving pilot burner

Info

Publication number: CN217928808U
Application number: CN202222235763.7U
Authority: CN
Inventors: 吉瑜; 冯善平; 寇晨曦; 陈军卫; 张海军; 张腾
Original assignee: Puyang Zhonglong Fuel Control Equipment Co ltd
Current assignee: Puyang Zhonglong Fuel Control Equipment Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-29
Anticipated expiration: 2032-08-25

Abstract

The combined integrated energy-saving pilot burner is an ignition technology of petrochemical enterprises, overcomes the problems of other pilot burners, and has the structural relationship that a secondary air distribution pipe is arranged inside a primary gas mixing pipe; the bottom end of the primary gas mixing pipe is connected with a forced air distributor and an injection air distributor through a multifunctional connector; the lower end of the temperature measuring protection tube is provided with a secondary connecting plate; one end of the secondary connecting plate is connected with the primary gas mixing pipe through a second sliding sleeve; the other end of the secondary connecting plate is connected with the built-in flame transmission pipe through a first sliding sleeve; the upper end of the gas primary mixing pipe and the upper end of the built-in flame transmission pipe are fixedly connected through a primary connecting plate; the upper end of the gas primary mixing pipe is provided with a gas source flow guide pipe, the upper edge of the gas source flow guide pipe is connected with a stepped ignition pipe, the top end of the stepped ignition pipe is provided with a secondary air distribution ejector, the secondary air distribution ejector is positioned in a gas secondary mixing chamber, and an igniter spray head is arranged in the gas secondary mixing chamber.

Description

Combined integrated energy-saving pilot burner

Technical Field

The utility model relates to an ignition technology of petrochemical industry enterprise, especially energy-conserving changming lamp of combination formula integration.

Background

The pilot burner is one of the important parts of the flare facilities, the tail gas discharge system (flare device) ignites the main flare by the flame which is 'on-going' in the pilot burner, and the pilot burner plays an important role in petrochemical, petroleum and coalification enterprises. In recent years, many petrochemical, petroleum and coal enterprises have provided torch gas recovery devices and have adopted torch automatic ignition systems. The torch pilot burner is directly ignited by the ignition system, and the discharge device discharges normally after the torch pilot burner operates normally. The part of the pilot burner is reserved, so that a lot of energy is saved, the environment is protected, and the pilot burner can be turned off under special conditions such as starting and stopping of the device, large overhaul of equipment and the like.

Disclosure of Invention

The utility model aims at providing a combined type integrated energy-saving pilot burner with an ignition system, which solves the problem that other pilot burners need to be equipped with other ignition systems independently, and the utility model aims to realize the combined type integrated energy-saving pilot burner which comprises a primary gas mixing tube, a built-in flame transmission tube, a temperature measurement protective tube, a fire igniter windshield, a high-voltage conducting rod, a high-voltage conducting wire and a stepped fire ignition tube, wherein a primary gas mixing chamber is arranged in the primary gas mixing tube, and a secondary air distribution tube is arranged in the primary gas mixing tube; the lower end of a primary gas mixing pipe is fixedly provided with a first main connecting plate, and the bottom end of the primary gas mixing pipe is connected with a forced air distributor and an injection air distributor through a multifunctional connector; the gas primary mixing pipe is connected with the middle end of the temperature measuring protection pipe through a second fixing sleeve; the lower end of the temperature measuring protection tube is provided with a secondary connecting plate; one end of the secondary connecting plate is connected with the primary gas mixing pipe through a second sliding sleeve; the other end of the secondary connecting plate is connected with the built-in flame transmission pipe through a first sliding sleeve; the upper end of the gas primary mixing pipe and the upper end of the built-in flame transmission pipe are fixedly connected through a primary connecting plate; the upper end of the gas primary mixing pipe is provided with a gas source flow guide pipe, the upper edge of the gas source flow guide pipe is connected with a stepped ignition pipe, the top end of the stepped ignition pipe is provided with a secondary air distribution ejector, the secondary air distribution ejector is positioned in a gas secondary mixing chamber, an igniter spray head is arranged in the gas secondary mixing chamber, and a primary mixer wind shield is arranged outside the gas secondary mixing chamber; the air source guide pipe and the ladder ignition pipe are connected with a high-voltage conducting rod in the middle, and an igniter windshield is arranged outside the ladder ignition pipe.

One end of the high-voltage conducting rod is connected with an electrode quartz insulator, and the electrode quartz insulator is connected with the high-voltage conversion terminal through a high-voltage wire; the high-voltage conducting rod is provided with a high-voltage electrode seat, the high-voltage electrode seat is provided with a high-voltage discharge electrode, the high-voltage discharge electrode is provided with a high-voltage arc, and the high-voltage arc is connected with the ignition pilot burner; the ignition pilot nozzle is positioned in the stepped pilot tube.

The bottom end of the temperature measuring protection tube is connected with a temperature measuring tube connecting flange, and the upper end of the temperature measuring protection tube is connected with the primary mixer windshield through a first temperature measuring protection tube fixing sleeve; the middle end of the temperature measurement protection tube is fixedly connected with the primary gas mixing tube through a first main connecting plate.

The top end of the built-in flame transmission pipe is connected with the wind cap of the primary mixer; the bottom end of the flame transmission pipe is connected with a flame transmission pipe connecting flange.

And a forced air distributor flange is arranged at the bottom end of the forced air distributor.

The bottom end of the injection air distributor is provided with an injector air distribution adjusting plate, the injector air distribution adjusting plate is provided with an air distribution adjusting plate locker, and the injector nozzle is arranged on the air distribution adjusting plate locker.

The secondary air distribution ejector is connected with the stepped ignition tube through an ejector air distribution connector; the air distribution connector of the ejector is provided with an air distribution hole.

One end of the secondary air distribution ejector is an ejector nozzle, and an ejector cavity is arranged in the center of the secondary air distribution ejector; and the ejector nozzle is connected with an igniter nozzle.

Eight large flame holes are formed in the periphery of the igniter nozzle, a central flame hole is formed in the center of the igniter nozzle, and a circle of small flame holes are formed in the outer edge of the central flame hole.

The utility model has the application method that the lower part of the device is provided with the filter to prevent sundries from entering the throttle hole of the pilot burner and improve the working reliability of the pilot burner; when purified fuel gas with certain pressure and flow rate enters the adjustable ejector and reaches the minimum flow area, the flow rate reaches the limit, and a large amount of air around the ejector is sucked from small holes which are uniformly distributed in 360-degree annular surfaces around the ejector and is fully mixed with combustible gas to the head of the pilot burner; a forced air distributor is arranged on one side of the pilot burner, and air can be forcibly added for combustion supporting when the combustion is insufficient, so that the pilot burner is in a high-environment-friendly combustion state; adjusting the injection air distributor to adjust the air distribution adjusting plate locker, and adjusting the ratio of the fuel gas and the sucked air to ensure that the flame of the pilot burner reaches the optimal combustion state; when the pilot burner is ignited, the mixed gas is sprayed from small holes which are obliquely upward and uniformly distributed along the ring surface to form conical flame, and the rigidity of the flame is stronger in the combustion state, so that the interference and influence of various wind directions can be effectively prevented, and the stability of the flame of the pilot burner is ensured; the top of the plum blossom spray head is provided with a round protective cap, and the bottom of the plum blossom spray head is provided with a round small hole which can prevent wind, rain and snow; the bottom of the device is provided with a forced compressed air distribution interface, so that the sufficient standard of combustion can be improved; the ZL-HBJ-II combined type integrated energy-saving incandescent lamp is made of high-temperature alloy, and the service life of the ZL-HBJ-II combined type integrated energy-saving incandescent lamp is greatly prolonged.

Gas secondary mixing chamber: when the fuel gas is burnt, the fuel gas is fully burnt under the influence of wind power and the surrounding environment, the wind shield protects the normal burning of fire seeds, the wind resistance is enhanced, and the flame is stably burnt; and after the mixed gas is flushed out from a nozzle at the top of the mixing chamber, the suction quantity of the mixed gas and the outside air is increased by the flow velocity of the gas flow, so that the mixed component of the mixed gas and the gas is enhanced.

The secondary air-distributing ejector is a venturi ejectorPrinciple of injection and suctionThrough process design, the injection and suction premixing effect is completed, the effect of secondary gas mixing is achieved, and gas combustion is more sufficient.

The secondary air distribution pipe is a forced air distribution channel and is a main ventilation channel for forcibly supplementing air when the flame of the pilot burner is insufficient in the self-injection and suction principle.

The injection air distributor sends the fuel gas and air into the primary gas mixing chamber, and fully and uniformly mixes the fuel gas and the air before being discharged through the length and the volume of the primary gas mixing chamber.

The utility model has the significance that the device can burn sufficiently, and the environmental protection standard is improved efficiently; the flame wind resistance is strong, the energy-saving effect is obvious, and the economic benefit is obvious; the device is provided with an ignition system, can be linked with a large industrial DCS system, realizes automatic integrated control, lightens the load of the torch head, saves a platform space of the torch head, and saves fuel gas compared with the traditional pilot burner; the device can be stably and fully combusted under the condition that the gas pressure is 0.1-0.4 MPa, the combustion is reliable, and the special structure of the device ensures the performance requirements of wind resistance, rain resistance and the like; the diameter of an ejector nozzle of the device is 0.5-4 mm, and under the condition, the gas consumption per hour is about 0.5-8 m for harvesting; the gas consumption of the traditional incandescent lamp is about 80-120 m/hour in high-speed cultivation; the energy consumption is greatly reduced; the windshield is made of high-temperature-resistant alloy, so that the service life is long; because the temperature measuring tube adopts thermocouple or ultraviolet detection, the signal transmission speed is fast, and the work efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of a combined type integrated energy-saving pilot lamp, in which, 1, a primary mixer wind cap 2, a gas secondary mixing chamber 3, a secondary air distribution ejector 4, a secondary air distribution pipe 5, a gas primary mixing chamber 6, a multifunctional connector 7, a forced air distributor 8, a forced air distributor flange 9, an injection air distributor 10, an air pilot nozzle 11, an ejector air distribution adjusting plate 12, an air distribution adjusting plate locker 13, a built-in flame propagation pipe 14, a primary connecting plate 15, a secondary connecting plate 16, a secondary connecting plate first sliding sleeve 17, a secondary connecting plate second sliding sleeve 18, a flame propagation pipe connecting flange 19, a temperature measurement first fixing sleeve 20, a temperature measurement protective pipe 21, a temperature measurement protective pipe second fixing sleeve 22, a temperature measurement pipe connecting flange 23, a first main connecting plate 24, a second main connecting plate 25, a ignition wind cap 26, an igniter nozzle 27, a high-pressure conductive rod 28, a high-pressure electrode base 29, a high-pressure electrode 30, a high-pressure electric arc 31, a gas source 32, an ignition inverted flame nozzle 33, an electrode insulator 34, a quartz insulator support insulator 35, a quartz terminal 36, a high-pressure electrode transition guide pipe 38, and a step guide pipe 38.

Fig. 2 is a schematic diagram of the secondary air distribution ejector, and in the diagram, 3, the secondary air distribution ejector 39 and the ejector cavity are shown.

Fig. 3 is a schematic diagram of the air distribution connector of the ejector, wherein 40, the air distribution connector 41 of the ejector and the air distribution hole are shown.

Fig. 4 is a schematic drawing of an eductor nozzle, 42 being the eductor nozzle.

Fig. 5 is a side view of the pilot top nozzle, 43, of the pilot nozzle.

Fig. 6 is a top view of the top nozzle of the pilot burner, 44, center flame ports 45, small flame ports 46, and large flame ports.

Detailed Description

Embodiment 1, the present invention comprises a primary gas mixing tube 5, a built-in flame transmission tube 13, a temperature measurement protection tube 20, an igniter windshield 25, a high voltage conducting rod 27, a high voltage conducting wire 36, and a stepped ignition tube 38, wherein a primary gas mixing chamber is arranged in the primary gas mixing tube 5, and a secondary air distribution tube 4 is arranged in the primary gas mixing tube 5; the lower end of a primary gas mixing pipe 5 is fixed with a second main connecting plate 24, and the bottom end of the primary gas mixing pipe 5 is connected with a forced air distributor 7 and an injection air distributor 9 through a multifunctional connector 6; the gas primary mixing pipe 5 is connected with the middle end of the temperature measuring protection pipe 20 through a second fixing sleeve 21; the lower end of the temperature measuring protective tube 20 is provided with a secondary connecting plate 15; one end of the secondary connecting plate 15 is connected with the gas primary mixing pipe 5 through a second sliding sleeve 17; the other end of the secondary connecting plate 15 is connected with the built-in flame transmission pipe 13 through a first sliding sleeve 16; the upper end of the gas primary mixing pipe 5 and the upper end of the built-in flame transmission pipe 13 are fixedly connected through a primary connecting plate 14; the upper end of the gas primary mixing pipe 5 is provided with a gas source flow guiding pipe 31, the upper edge of the gas source flow guiding pipe 31 is connected with a stepped ignition pipe 38, the top end of the stepped ignition pipe 38 is provided with a secondary air distribution ejector 3, the secondary air distribution ejector 3 is positioned in a gas secondary mixing chamber 2, an igniter spray head 26 is arranged in the gas secondary mixing chamber 2, and a primary mixer wind shield 1 is arranged outside the gas secondary mixing chamber 2; the high-voltage conducting rod 27 is connected between the air source flow guide pipe 31 and the step ignition pipe 38, and the igniter windshield 25 is arranged outside the step ignition pipe 38.

In embodiment 2, one end of the high-voltage conducting rod 27 is connected with an electrode quartz insulator 33, and the middle of the electrode quartz insulator 33 and a high-voltage conversion terminal 37 is connected by a high-voltage wire 36; the high-voltage conducting rod 27 is provided with a high-voltage electrode seat 28, the high-voltage electrode seat 28 is provided with a high-voltage discharge electrode 29, the high-voltage discharge electrode 29 is provided with a high-voltage electric arc 30, and the high-voltage electric arc 30 is connected with a pilot burner 32; pilot burner 32 is located within stepped pilot tube 38.

In embodiment 3, the bottom end of the temperature measuring protective tube 20 is connected with a temperature measuring tube connecting flange 22, and the upper end of the temperature measuring protective tube 20 is connected with the primary mixer windshield 1 through a first temperature measuring protective tube fixing sleeve 19; the middle end of the temperature measurement protection tube 20 is fixedly connected with the primary gas mixing tube 5 through a first main connecting plate 23.

Example 4 the tip of the built-in flame tube 13 was connected to the primary mixer windshield 1; the bottom end of the built-in flame transmission pipe 13 is connected with a flame transmission pipe connecting flange 18.

In example 5, the bottom end of the forced air distributor 7 is provided with a forced air distributor flange 8.

In embodiment 6, an ejector air distribution adjusting plate 11 is installed at the bottom end of the ejector air distribution device 9, an air distribution adjusting plate locker 12 is installed on the ejector air distribution adjusting plate 11, and an air inducing device nozzle 10 is installed on the air distribution adjusting plate locker 12.

In embodiment 7, the secondary air distribution ejector 3 is connected with the stepped ignition tube 38 through an ejector air distribution connector 40; an air distribution hole 41 is arranged on an ejector air distribution connector 40;

in embodiment 8, one end of the secondary air distribution ejector 3 is an ejector nozzle 42, and an ejector cavity 39 is arranged in the center of the secondary air distribution ejector 3; the ejector nozzle 42 is connected with an igniter nozzle 43,

in example 9, eight large fire holes 46 are formed in the periphery of the pilot nozzle 43, a central fire hole 44 is formed in the center of the pilot nozzle 43, and a circle of small fire holes 45 are formed outside the central fire hole 44.

Claims

1. Energy-conserving pilot burner of combination formula integration, it includes gaseous mixing tube (5), built-in flame biography flame pipe (13), temperature measurement protection tube (20), igniter windshield (25), high-pressure conducting rod (27), high-voltage wire (36), ladder ignition pipe (38), characterized by: a primary gas mixing chamber is arranged in the primary gas mixing pipe (5), and a secondary air distribution pipe (4) is arranged in the primary gas mixing pipe (5); the lower end of a primary gas mixing pipe (5) is fixed with a second main connecting plate (24), and the bottom end of the primary gas mixing pipe (5) is connected with a forced air distributor (7) and an injection air distributor (9) through a multifunctional connector (6); the gas primary mixing pipe (5) is connected with the middle end of the temperature measuring protection pipe (20) through a second fixing sleeve (21); the lower end of the temperature measuring protection tube (20) is provided with a secondary connecting plate (15); one end of the secondary connecting plate (15) is connected with the primary gas mixing pipe (5) through a second sliding sleeve (17); the other end of the secondary connecting plate (15) is connected with the built-in flame transmission pipe (13) through a first sliding sleeve (16); the upper end of the gas primary mixing pipe (5) and the upper end of the built-in flame transmission pipe (13) are fixedly connected through a primary connecting plate (14); the upper end of the gas primary mixing pipe (5) is provided with a gas source flow guiding pipe (31), the upper edge of the gas source flow guiding pipe (31) is connected with a stepped ignition pipe (38), the top end of the stepped ignition pipe (38) is provided with a secondary air distribution ejector (3), the secondary air distribution ejector (3) is positioned in a gas secondary mixing chamber (2), an igniter spray head (26) is arranged in the gas secondary mixing chamber (2), and a primary mixer windproof cover (1) is arranged outside the gas secondary mixing chamber (2); the air source guide pipe (31) and the ladder ignition pipe (38) are connected with a high-voltage conducting rod (27) in the middle, and an igniter windproof cover (25) is arranged outside the ladder ignition pipe (38).

2. The combined integrated energy-saving incandescent lamp as claimed in claim 1, wherein: one end of the high-voltage conducting rod (27) is connected with an electrode quartz insulator (33), and the middle of the electrode quartz insulator (33) is connected with a high-voltage conversion terminal (37) through a high-voltage lead (36); a high-voltage electrode seat (28) is arranged on the high-voltage conducting rod (27), a high-voltage discharge electrode (29) is arranged on the high-voltage electrode seat (28), a high-voltage electric arc (30) is arranged on the high-voltage discharge electrode (29), and the high-voltage electric arc (30) is connected with a pilot burner (32); the ignition pilot nozzle (32) is located within the stepped squib (38).

3. The combined integrated energy-saving incandescent lamp as claimed in claim 1, wherein: the bottom end of the temperature measuring protective tube (20) is connected with a temperature measuring tube connecting flange (22), and the upper end of the temperature measuring protective tube (20) is connected with the primary mixer windshield (1) through a first fixed sleeve (19) of the temperature measuring protective tube; the middle end of the temperature measurement protection tube (20) is fixedly connected with the primary gas mixing tube (5) through a first main connecting plate (23).

4. The combined integrated energy-saving incandescent lamp as claimed in claim 1, wherein: the top end of the built-in flame transmission pipe (13) is connected with the wind cap (1) of the primary mixer; the bottom end of the flame transmission pipe (13) is connected with a flame transmission pipe connecting flange (18).

5. The combined integrated energy-saving incandescent lamp of claim 1, wherein: and a forced air distributor flange (8) is arranged at the bottom end of the forced air distributor (7).

6. The combined integrated energy-saving incandescent lamp as claimed in claim 1, wherein: the bottom end of the injection air distributor (9) is provided with an injector air distribution adjusting plate (11), the injector air distribution adjusting plate (11) is provided with an air distribution adjusting plate locker (12), and the air distribution adjusting plate locker (12) is provided with an air inducing device nozzle (10).

7. The combined integrated energy-saving incandescent lamp as claimed in claim 1, wherein: the secondary air distribution ejector (3) is connected with the stepped ignition tube (38) through an ejector air distribution connector (40); an air distribution hole (41) is arranged on an ejector air distribution connector (40); one end of the secondary air distribution ejector (3) is an ejector nozzle (42), and an ejector cavity (39) is arranged in the center of the secondary air distribution ejector (3); the ejector nozzle (42) is connected with an igniter nozzle (43).

8. The combined integrated energy-saving incandescent lamp as claimed in claim 7, wherein: eight large fire-spraying holes (46) are formed in the periphery of the igniter nozzle (43), a central fire-spraying hole (44) is formed in the center of the igniter nozzle (43), and a circle of small fire-spraying holes (45) are formed in the outer edge of the central fire-spraying hole (44).